| 5082491 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-12-27 | Joe Decker | 6179CF59D5C642D2 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-05-31 | Stephen Smith | 6179CF59D5C642D2 | 3886241 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | F621ED33359A6D86 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2018-05-01 | storm5510 | F621ED33359A6D86 | 1 | 4232130 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-21 | Sid & Andy | NF | no factor TF: 68-70 | | 2025-01-11 | Sid & Andy | NF-PM1 | B1=3600000, B2=9117768660 | | 2023-04-14 | Kevin_9611 | NF-PM1 | B1=330000, B2=178871550 | | 2018-05-01 | storm5510 | C-PRP | M5082491/294190158563349785583777656321 : F621ED33359A6D86 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5082491/294190158563349785583777656321 : F621ED33359A6D86 | | 2009-08-21 | USAFSS | F-PM1 | Factor: 294190158563349785583777656321 | | 2009-08-08 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2008-12-28 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-05-31 | -anonymous- | C-LL | 6179CF59D5C642D2 | | 1998-12-27 | -anonymous- | C-LL | 6179CF59D5C642D2 | | 1998-11-14 | -anonymous- | NF | no factor TF: 1-61 |
|